Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11834357 | Water treatment system | Michael Kelsey, Robert L. Kelsey, Stephen McKenzie | 2023-12-05 |
| 9901108 | Mycotoxin-reducing composition | David Emlyn Parfitt | 2018-02-27 |
| 6699514 | Microorganisms and their use in animal feed | — | 2004-03-02 |
| 6326037 | Microorganisms and their use in treating animal feed and silage | Sierk Fedde Spoelstra | 2001-12-04 |
| 5718894 | Formulation and use of microorganisms in treating livestock | — | 1998-02-17 |
| 5432074 | Formulation for treating silage containing .beta.-1,4-xylanase and .beta.-1,3-xylosidase but essentially free of .beta.-1,4-glucanase and .beta.-1,4-cellobiohydrolase, and one or more lactic acid-producing bacteria | Christopher T. Evans, Robert C. Charley, David Emlyn Parfitt | 1995-07-11 |